What’s Vulnerable › Vulnerabilities

CVE-2023-23419: Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-14 · updated 2026-06-17
• Weakness: CWE-20

Description

Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows 11: before 10.0.22000.1413 — fixed in 10.0.22000.1413
• Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.1413 — fixed in 10.0.22621.1413

How to fix

Upgrade to a fixed version: Microsoft Windows 11 10.0.22000.1413; Microsoft Windows 11 10.0.22621.1413. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23419
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23419

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